package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.pojo.Category;
import com.itheima.reggie.pojo.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

@Api(tags = "套餐管理")
@RestController
@RequestMapping("/setmeal")
public class SetmealController {
    @Autowired
    private SetmealService setmealService;

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增套餐
     * @param setmealDto
     * @return
     */
    @ApiOperation("新增套餐")
    @PostMapping
    @CacheEvict(cacheNames = "setmalList",key = "#setmealDto.categoryId+'_'+#setmealDto.status")
    public R<String> save(@RequestBody SetmealDto setmealDto){
        setmealService.saveWithDish(setmealDto);
        return R.success("新增成功");

    }

    /**
     * 分页查询套餐
     */
    @ApiOperation("分页查询套餐")
    @GetMapping("/page")
    public R<Page<SetmealDto>> page(Integer page, Integer pageSize, String name){

        //构造分页对象
        Page<Setmeal> pageInfo1=new Page<>(page,pageSize);
        //构造条件对象
        QueryWrapper<Setmeal> queryWrapper=new QueryWrapper<>();
        queryWrapper.like(StringUtils.isNotBlank(name),"name",name);
        queryWrapper.orderByDesc("update_time");
        setmealService.page(pageInfo1,queryWrapper);

        //2，将 Page<Setmeal> pageInfo1 转换为 Page<SetmealDto> pageInfo2
        Page<SetmealDto> pageInfo2 = new Page<>(page, pageSize);
        //2.1拷贝 total
        BeanUtils.copyProperties(pageInfo1,pageInfo2,"records");
        //2.2 拷贝 records
        List<SetmealDto> setmealDtoList=new ArrayList<>();
        for (Setmeal setmeal : pageInfo1.getRecords()) {
            //将每一个 records 转换为 setmealDto
            SetmealDto setmealDto = new SetmealDto();
            BeanUtils.copyProperties(setmeal,setmealDto);
            //TODO 设置分类名称
            Category category = categoryService.getById(setmeal.getCategoryId());
            setmealDto.setCategoryName(category.getName());
            //将setmealDto添加到setmealDtoList中
            setmealDtoList.add(setmealDto);

        }
       pageInfo2.setRecords(setmealDtoList);

        return  R.success(pageInfo2);
    }

    /**
     * 删除套餐
     */

    @DeleteMapping
    @CacheEvict(cacheNames = "setmalList",allEntries = true)
    public R<String> deleteByIds(Long[] ids){

        setmealService.removeWithDish(Arrays.asList(ids));
        return R.success("删除成功");
    }

    /**
     * 根据分类id 查询套餐列表
     */

    @GetMapping("/list")
    @Cacheable(cacheNames = "setmalList",key = "#setmeal.categoryId+'_'+#setmeal.status",unless = "#result.data.size()==0")
    public R<List<Setmeal>> list(Setmeal setmeal){
        QueryWrapper<Setmeal> queryWrapper=new QueryWrapper<>();
        queryWrapper.eq("category_id",setmeal.getCategoryId());
        queryWrapper.eq("status",setmeal.getStatus());
        queryWrapper.orderByDesc("update_time");
        List<Setmeal> setmealList = setmealService.list(queryWrapper);
        return  R.success(setmealList);
    }

}
